Fetch! With Ruff Ruffman"Who Wants to Trade for Some Old Tracks?"
Someone has just stolen Ruff's garden gnome and he's determined to get it back! In fact, he's so obsessed that he hasn't bathed in several days and is covered in flies-prompting Charlene to send him some fly swatters. Ruff sends Emmie and Marco to the Amherst College Museum of Natural History to analyze the footprints left behind by the perpetrator who stole the garden gnome; while Rubye and Shreya try to barter the flyswatters for something better that Ruff can give to Charlene. D

5:30 pm

Nightly Business Report
Tonight on Nightly Business Report, should the Federal Reserve start to put the brakes on its stimulus program sooner rather than later? NBR will talk to Columbia University's Glenn Hubbard. And, have you seen the back-to-school sales? Yes, it may be early July, but retailers are already pushing deals on things like notebooks, pens and erasers - and there's a big reason why. D

Nature"Crash: A Tale of Two Species"
The humble horseshoe crab, virtually unchanged for 300 million years, produces millions of eggs. They are the lifeline for a tiny bird called a red knot, which migrates 10,000 miles from South America to the Arctic. But even as humans discover medical uses for the crab, its numbers are plummeting.G

8:00 pm

NOVA"Building Pharaoh's Chariot"
A team of archaeologists, engineers, woodworkers and horse trainers builds and tests two accurate replicas of Egyptian royal chariots. Driving them to their limits in the desert outside Cairo, NOVA's experts test the claim that the chariot marks a crucial turning point in ancient military history.G

9:00 pm

Secrets of the Dead"Ultimate Tut"
In 1922, Tutankhamen's tomb and its golden treasures were revealed in Egypt's Valley of the Kings. But the real story has become shrouded in myth - with many mysteries around the tomb unsolved.G